Defines how a method is implemented.
Assembly: mscorlib (in mscorlib.dll)
|Specifies that the method implementation is in Microsoft intermediate language (MSIL).|
|Specifies that the method is implemented in native code.|
|Specifies that the method implementation is in optimized intermediate language (OPTIL).|
|Specifies that the method implementation is provided by the runtime.|
Used with MethodImplAttribute.
The classes in System.Runtime.CompilerServices are for compiler writers use only.
Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.